diff --git a/parts/3/notes.md b/parts/3/notes.md
index 44bb16f..ae76652 100644
--- a/parts/3/notes.md
+++ b/parts/3/notes.md
@@ -4,4 +4,4 @@ Exercises:
 * [X] 3.3
 * [X] 3.4
 * [X] 3.5
-* [ ] 3.6
+* [X] 3.6